Cisco Catalyst WS-C2924-XL Hardware Installation Manual page 94

Diagnosing Problems
Table 3-2 Common Problems and Their Solutions (continued)
Symptom
LRE status LED not turned
on.
Catalyst 2900 Series XL Hardware Installation Guide
3-6
Possible Cause
RJ-21 cable loose or not connected
properly.
Trunk cable defective.
CPE device absent, not powered, or
defective.
CPE device out of maximum range.
Chapter 3 Troubleshooting
Resolution
Reseat RJ-21 connector and fasten
with screw or cable tie.
Test trunk cable. If cable is
defective, repair or use alternate
pair.
Check LRE CPE device, and refer
to installation guide.
Consider modification to
topology to shorten reach or
improve wiring quality.
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